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<script lang="ts">
import {onMount} from 'svelte';
import svelteLogo from './assets/svelte.svg'
import viteLogo from '/vite.svg'
import Counter from './lib/Counter.svelte'
import Table from './lib/Table.svelte'
import Card from './lib/Card.svelte'
import { UnauthorizedError } from './lib/errors';
let data;
let error;
let user = {
username: '',
password: ''
}
interface CredentialObject {
username: string;
password: string;
}
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function getData() {
const res = await fetch('http://localhost:8080/api/v1/stats/');
if (res.ok) {
await sleep(3000);
return await res.json();
} else {
throw new Error('There was a problem with your request');
}
}
function handleClick () {
data = getData();
}
let authenticated: boolean = false;
function prepareCredentials ({ username, password }: CredentialObject): string {
return btoa(`${username}:${password}`);
}
async function onSubmit(e) {
if (!user.username || !user.password) {
error = 'please enter your username and password';
return;
}
const auth = prepareCredentials(user);
const response = await fetch('http://localhost:8080/api/v1/auth', {
method: 'POST',
headers: {
'Authorization': `Basic ${auth}`,
},
});
if (response.status === 401) {
error = "Your username or password is wrong";
return;
}
if (response.ok) {
const { token } = await response.json();
console.log(token);
localStorage.user = JSON.stringify(user);
localStorage.token = token;
authenticated = true;
}
error = null;
}
function logout() {
localStorage.removeItem("user");
localStorage.removeItem("token");
authenticated = false;
}
onMount(() => {
if (localStorage.token) {
authenticated = true;
}
});
</script>
<main>
{#if !authenticated}
<Card>
<form class="form" on:submit|preventDefault={onSubmit}>
<div class='form input group'>
<label for="username">Username</label>
<input bind:value={user.username} id="username" name='username' type="text" />
</div>
<div class='form input group'>
<label for="password">Password</label>
<input bind:value={user.password} id="password" name='password' type="password" />
</div>
{#if error}
<p class="error">{error}</p>
{/if}
<button type="submit">Log in</button>
</form>
</Card>
{:else}
<div>
<button on:click={logout}>Logout</button>
</div>
<div>
<a href="https://vitejs.dev" target="_blank" rel="noreferrer">
<img src={viteLogo} class="logo" alt="Vite Logo" />
</a>
<a href="https://svelte.dev" target="_blank" rel="noreferrer">
<img src={svelteLogo} class="logo svelte" alt="Svelte Logo" />
</a>
</div>
<button on:click={handleClick}>
Get Data
</button>
{#await data}
<p>...fetching</p>
{:then data}
{#if data}
<p>Status</p>
<p>{data.status}</p>
<Table />
<Table nofooter title="No Footer"/>
<Table noheader title="No Header"/>
{:else}
<p>No data yet</p>
{/if}
{:catch errror}
<p>{error.message}</p>
{/await}
{/if}
</main>
<style>
.logo {
height: 6em;
padding: 1.5em;
will-change: filter;
transition: filter 300ms;
}
.logo:hover {
filter: drop-shadow(0 0 2em #646cffaa);
}
.logo.svelte:hover {
filter: drop-shadow(0 0 2em #ff3e00aa);
}
.read-the-docs {
color: #888;
}
.error {
font-size: 0.75em;
color: red;
}
</style>
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